/*
    串口公用函数
*/

export const RS_Device_Type = {
    LOOP_4WAY: 1,
    LOOP_6WAY: 2,
    METER:  3,
};

export const LightMode = {
    POSITIVE_MODE: {
        value: 1,
        name: "正相关调光",
        desc: "正相关调光(电压越高亮度越高)"
    },
    NEGATIVE_MODE: {
        value: 3,
        name: "负相关调光",
        desc: "负相关调光(电压越高亮度越低)"
    },
    
}

export const MeterQueryType = {
    REALTIME: 1,
    STAT: 2
}

export const Loop_4Way_Extreme_Value = {
    MAX: 100,
    MIN: 0
}

export const Loop_6Way_Extreme_Value = {
    MAX: 27,
    MIN: 2
}

export const Recv_Error_Def = {
    ERR_START_FLAG: -1,
    ERR_NOT_ENOUGH_LEN: -2,
    ERR_CHECKSUM: -3,
    ERR_ADDRESS_DISMATCH: -4,
}

export const Default_Request_List = [
    { "address": 0x100, "length": 30, "type": MeterQueryType.REALTIME },
    { "address": 0x136, "length": 16, "type": MeterQueryType.REALTIME },

    { "address": 0x156, "length": 30, "type": MeterQueryType.REALTIME },
    { "address": 0x18c, "length": 16, "type": MeterQueryType.REALTIME },

    { "address": 0x1ac, "length": 30, "type": MeterQueryType.REALTIME },
    { "address": 0x1e2, "length": 16, "type": MeterQueryType.REALTIME },

    { "address": 0x202, "length": 30, "type": MeterQueryType.REALTIME },
    { "address": 0x236, "length": 16, "type": MeterQueryType.REALTIME },

    { "address": 0x168c, "length": 35, "type": MeterQueryType.STAT },
    { "address": 0x16af, "length": 35, "type": MeterQueryType.STAT },
    { "address": 0x16d2, "length": 35, "type": MeterQueryType.STAT },

    { "address": 0x95a, "length": 60, "type": MeterQueryType.STAT },
    { "address": 0xa1d, "length": 40, "type": MeterQueryType.STAT },
    { "address": 0xa6d, "length": 20, "type": MeterQueryType.STAT },
    { "address": 0xaef, "length": 40, "type": MeterQueryType.STAT },
    { "address": 0xb3f, "length": 20, "type": MeterQueryType.STAT },
];

export function transfer2DeviceValue(mode, lampLight, lightExtreme){
    console.log("transfer2DeviceValue mode = ", mode);
    console.log("transfer2DeviceValue light before: ", lampLight);
    if (lightExtreme.MAX <= lightExtreme.MIN){
        return lampLight;
    }
    let ret = [];
    
    for(var light of lampLight){
        let value = light.light;
        if (mode == LightMode.POSITIVE_MODE.value){
            value = Math.round(light.light * (lightExtreme.MAX - lightExtreme.MIN) / 100 + lightExtreme.MIN);
        } else if (mode == LightMode.NEGATIVE_MODE.value){
            value = Math.round((100 - light.light) * (lightExtreme.MAX - lightExtreme.MIN) / 100 + lightExtreme.MIN);
        }
        value = Math.max(lightExtreme.MIN, value);
        value = Math.min(lightExtreme.MAX, value);
        ret.push({"lamp": light.lamp, "valid": light.valid, "light": value})
    }
    console.log("transfer2DeviceValue light after: ", ret);
    return ret;
}

export function transfer2RawValue(mode, lampLight, lightExtreme){
    console.log("transfer2RawValue mode = ", mode);
    console.log("transfer2RawValue light before: ", lampLight);
    if (lightExtreme.MAX <= lightExtreme.MIN){
        return lampLight;
    }
    let ret = [];
    
    for(var light of lampLight){
        let value = light.light;
        if (mode == LightMode.POSITIVE_MODE.value){
            value = Math.round((value - lightExtreme.MIN) * 100 / (lightExtreme.MAX - lightExtreme.MIN));
        } else if (mode == LightMode.NEGATIVE_MODE.value){
            value = Math.round((lightExtreme.MAX - value) * 100 / (lightExtreme.MAX - lightExtreme.MIN));
        }
        value = Math.max(0, value);
        value = Math.min(100, value);
        ret.push({"lamp": light.lamp, "valid": light.valid, "light": value})
    }
    console.log("transfer2RawValue light after: ", ret);
    return ret;
}

export const Max_Timeout_Count = 10;
export const Loop_Device_Base = 100;

export function getHigh(data){
    return data.substr(0, 2);
}

export function getLow(data){
    return data.substr(2, 2);
}

export function arrayPushData(arr, str){
    str = "" + str;
    if (str.length % 2 == 1){
        str = "0" + str;
    }
    for(var i = 0; i < str.length/2; i++){
        var value = str.substr(i * 2, 2);
        arr.push(value);
    }
    return arr;
}

export function arrayPushShort(arr, str){
    str = CRC.padLeft(str, 4, "0");
    for(var i = 0; i < str.length/2; i++){
        var value = str.substr(i * 2, 2);
        arr.push(value);
    }
    return arr;
}

export function number2Hex(number){
    return ("0" + (Number(number).toString(16))).slice(-2).toUpperCase();
}

export function short2Hex(number){
    return ("000" + (Number(number).toString(16))).slice(-4).toUpperCase();
}

export function hex2Int(str){
    return parseInt(str, 16);
}

export function hex2float(str){
    return parseFloat(str);
}

export function hex2short(str){
    return (hex2Int(str.substr(0, 2))<<8) + hex2Int(str.substr(2, 2));
}

export function meterHex2Float(str, pos){
    return parseFloat(str.substr(pos * 2, 8));
}

export function meterStatTimeAndValue(str, pos){
    return {
        "value": parseFloat(str.substr(pos * 2, 8)),
        "time": short2Hex(hex2Int(str.substr(pos * 2 + 8, 2)))
                + number2Hex(hex2Int(str.substr(pos * 2 + 10, 2)))
                + number2Hex(hex2Int(str.substr(pos * 2 + 12, 2)))
    }
}

export function reverseHex(str){
    var result = "";
    for(var i = 0; i < str.length; i += 2){
        result = result + str.substr(str.length - i - 2, 2);
    }
    return result;
}

export function plus33H(str){
    var result = "";
    if (str.length % 2 == 1){
        str = "0" + str;
    }
    for(var i = 0; i < str.length/2; i++){
        var value = str.substr(i * 2, 2);
        value = parseInt(value, 16) + 0x33;
        result = result + number2Hex(value);
    }
    return result;
}

export function minus33H(str){
    var result = "";
    if (str.length % 2 == 1){
        str = "0" + str;
    }
    for(var i = 0; i < str.length/2; i++){
        var value = str.substr(i * 2, 2);
        value = parseInt(value, 16) - 0x33;
        result = result + number2Hex(value);
    }
    return result;
}


export function calcChecksum(dataArray){
    dataArray = CRC.isArray(dataArray) ? dataArray : hexStrTobyteArray(dataArray);
    var result = 0;
    for(var i = 0; i < dataArray.length; i++){
        result = result + parseInt(dataArray[i], 16);
    }
    return number2Hex(result & 255);
}

export function array2Hex(dataArray){
    var result = "";
    for(var i = 0; i < dataArray.length; i++){
        result = result + number2Hex(parseInt(dataArray[i], 16));
    }
    return result;
}

export function hexStrTobyteArray(hexStr){
    var result = new Array();
    for(var i = 0; i < hexStr.length/2; i++){
        result.push(hexStr.substr(2*i, 2));
    }
    return result;
}


var _auchCRCHi = [
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
    0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
    0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
    0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
    0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
    0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
    0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
    0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
    0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
    0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
    0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
    0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
    0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
    0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
    0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
];

var _auchCRCLo = [
    0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
    0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
    0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
    0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
    0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
    0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
    0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
    0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
    0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
    0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
    0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
    0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
    0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
    0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
    0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
    0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
    0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
    0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
    0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
    0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
    0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
    0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
    0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
    0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
    0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
    0x43, 0x83, 0x41, 0x81, 0x80, 0x40
];

export class CRC { 
    static CRC16 = function (buffer) {
        var hi = 0xff;
        var lo = 0xff;
        for (var i = 0; i < buffer.length; i++) {
            var idx = hi ^ hex2Int(buffer[i]);
            hi = (lo ^ _auchCRCHi[idx]);
            lo = _auchCRCLo[idx];
            // console.log("CRC data: ", hex2Int(buffer[i]));
            // console.log("CRC hi: ", hi);
            // console.log("CRC lo: ", lo);
        }
        // return CRC.padLeft((hi << 8 | lo).toString(16).toUpperCase(), 4, '0');
        return CRC.padLeft((lo << 8 | hi).toString(16).toUpperCase(), 4, '0');
    };

    static CRC16Meter = function (buffer) {
        var hi = 0xff;
        var lo = 0xff;
        for (var i = 0; i < buffer.length; i++) {
            var idx = hi ^ hex2Int(buffer[i]);
            hi = (lo ^ _auchCRCHi[idx]);
            lo = _auchCRCLo[idx];
        }
        return CRC.padLeft((hi << 8 | lo).toString(16).toUpperCase(), 4, '0');
    };


    static isArray = function (arr) {
        return Object.prototype.toString.call(arr) === '[object Array]';
    };

    static ToCRC16 = function (str) {
        return CRC.CRC16(CRC.isArray(str) ? str : CRC.strToByte(str));
    };

    static ToModbusCRC16 = function (str) {
        // return CRC.CRC16(CRC.isArray(str) ? str : CRC.strToHex(str));
        return CRC.CRC16(CRC.isArray(str) ? str : hexStrTobyteArray(str));
    };

    static ForMeterCRC16= function (str) {
        // return CRC.CRC16Meter(CRC.isArray(str) ? str : CRC.strToHex(str));
        return CRC.CRC16Meter(CRC.isArray(str) ? str : hexStrTobyteArray(str));
    };

    static strToByte = function (str) {
        var tmp = str.split(''), arr = [];
        for (var i = 0, c = tmp.length; i < c; i++) {
            var j = encodeURI(tmp[i]);
            if (j.length == 1) {
                arr.push(j.charCodeAt());
            } else {
                var b = j.split('%');
                for (var m = 1; m < b.length; m++) {
                    arr.push(parseInt('0x' + b[m]));
                }
            }
        }
        return arr;
    };

    static convertChinese = function (str) {
        var tmp = str.split(''), arr = [];
        for (var i = 0, c = tmp.length; i < c; i++) {
            var s = tmp[i].charCodeAt();
            if (s <= 0 || s >= 127) {
                arr.push(s.toString(16));
            }
            else {
                arr.push(tmp[i]);
            }
        }
        return arr;
    };

    static filterChinese = function (str) {
        var tmp = str.split(''), arr = [];
        for (var i = 0, c = tmp.length; i < c; i++) {
            var s = tmp[i].charCodeAt();
            if (s > 0 && s < 127) {
                arr.push(tmp[i]);
            }
        }
        return arr;
    };

    static strToHex = function (hex, isFilterChinese) {
        hex = isFilterChinese ? CRC.filterChinese(hex).join('') : CRC.convertChinese(hex).join('');
    
        //清除所有空格
        hex = hex.replace(/\s/g, "");
        //若字符个数为奇数，补一个空格
        hex += hex.length % 2 != 0 ? " " : "";
    
        var c = hex.length / 2, arr = [];
        for (var i = 0; i < c; i++) {
            arr.push(parseInt(hex.substr(i * 2, 2), 16));
        }
        return arr;
    };

    static padLeft = function (s, w, pc) {
        if (pc == undefined) {
            pc = '0';
        }
        for (var i = 0, c = w - s.length; i < c; i++) {
            s = pc + s;
        }
        return s;
    };

}
